Which of the following lists steps of mRNA production in eukaryotes in the correct order?
A) 5' cap addition, addition of poly-A tail, exon splicing, passage through nuclear membrane, transcription
B) Transcription, 5' cap addition, addition of poly-A tail, exon splicing, passage through nuclear membrane
C) Transcription, 5' cap addition, addition of poly-A tail, passage through nuclear membrane, exon splicing
D) Transcription, addition of poly-A tail, 5' cap addition, exon splicing, passage through nuclear membrane
Ans: B) Transcription, 5' cap addition, addition of poly-A tail, exon splicing, passage through nuclear membrane
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The individuals who determined that Griffith's transforming principle was DNA were __________
A. Hershey and Chase B. Avery, Macleod, and McCarty C. Watson and Crick D. Creighton and McClintock
The equation that describes the relationship between phenotypic variance, genetic variance and environmental variance is
A. VP = VG + VE B. 1 = VG + VE + VP C. VE = VG + VP D. VG = VP + VE
The “lub” heart sound is produced by closure of the ____________________ valves. Fill in the blank(s) with the appropriate word(s)
Gel electrophoresis sorts DNA molecules on the basis of their
A) nucleotide sequence. B) ability to bind to mRNA. C) solubility in the gel. D) size.